The action that United Nation forces should have done differently to avoid China entering the war is listening to warnings and halting their advance.
<h3>What led to the statement by
MacArthur?</h3>
When about 180,000 Chinese troops shattered the right flank of Walker's Eighth Army in the west and threatened to destroy the X Corps near the Chosin Reservoir.
This made MacArthur informed the Joint Chiefs that "<em>We face an entirely new war</em>".
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Answer: California was the destination to which most Okies
Explanation
The mafia established more power with organizational crime on the rise